Messages in this thread | | | Date | Mon, 25 Jun 2018 18:16:38 -0400 | From | Steven Rostedt <> | Subject | Re: [RFC 2/2] rcu: Remove ->dynticks_nmi_nesting from struct rcu_dynticks |
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On Mon, 25 Jun 2018 13:47:45 -0700 Andy Lutomirski <luto@kernel.org> wrote:
> > As a straightforward example, NMI and MCE can nest inside each other.
But I'm not sure how stable the machine becomes when MCE's start interrupting NMIs. Also, can MCE callbacks use RCU?
> IIRC we treat #DB somewhat NMI-ish-ly as well.
And #DB is something I think we finally said shouldn't be done in NMIs, IIRC.
-- Steve
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